Relevant bibliographies by topics / Fiber ropes

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Fiber ropes'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Fiber ropes"

1

Surata, I. Wayan, Tjokorda Gde Tirta Nindhia, and Dwiki Marsetio Widagdo. "Promoting natural fiber from bark of Hibiscus tiliaceus as rope to reduce marine pollution from microplastic fiber yield from synthetic rope." E3S Web of Conferences 158 (2020): 04007. http://dx.doi.org/10.1051/e3sconf/202015804007.

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Synthetic ropes are popular for application in marine boat as docking, anchor, tow, and sailing. The advantages of synthetic ropes are waterproof, strong and durable, can be designed for sinks or floats and able to stretches. Synthetic ropes are stronger, more resistant to rotting than ropes created from natural fibers. Synthetic ropes also possess certain disadvantages of slipperiness, and can be damaged more easily by UV light. Synthetic ropes is recognizes as a source of microplastic fiber pollutant in marine area. In this work a bark of Hibiscus tiliaceus three is introduced as candidate source of natural fiber for rope to reduce number of microplastic fiber pollutant from synthetic rope. The bark was taken from a trunk with diameter around 20 cm. The bark was immersed in water for 7 days and subsequently was soaked in 5% NaOH solution for 2 hours. Fiber obtained then was dried. It was prepared 7 valid single fiber samples. The average of tensile strength of single fiber obtained by using this method is found around 44.604 MPa. The average of Modulus elasticity E is found 365.864 MPa. The failure strain is found 11.6 %.
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Liang, Jun, Chunjing Wu, Hang Ping, Ming Wang, and Weizhong Tang. "Surface Pretreatment and Fabrication Technology of Braided Carbon Fiber Rope Aluminum Matrix Composite." Metals 10, no. 9 (September 9, 2020): 1212. http://dx.doi.org/10.3390/met10091212.

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Carbon fiber is mainly distributed in the shape of short fibers and continuous fiber bundles as the reinforcing phase in metal matrix composites, and it is seldom studied as braided rope shaped to reinforce the matrix. For this paper, the pretreatment and the surface metallization of the carbon fiber braided rope were studied. Besides, the casting experiments of aluminum-based carbon fiber braided rope composites were performed without external pressure. XPS analysis shows that the surface of the carbon fiber braided rope treated with ultrasonic degumming contains many hydrophilic oxygen-containing functional groups C-OH, C=O, COOH, etc., which can effectively improve the wettability between the carbon fiber braided rope and the aluminum matrix. SEM, EDS, and XRD were used to analyze the micromorphology and structure of the copper plating on the surface of carbon fiber braided ropes obtained from different pH plating solutions. When pH is 12, a continuous, uniform, and dense layer was formed on the surface of carbon fiber braided ropes. In addition, copper coating can effectively inhibit the formation of Al4C3 brittle phase. Finally, the mechanical properties results indicated that the tensile strength of the carbon fiber bundle and carbon fiber rope reinforced composite materials were 69 MPa and 83 MPa, respectively, indicating that the reinforcing effect of the carbon fiber rope is better than that of the carbon fiber bundle.
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Horigome, Atsushi, Gen Endo, and Koichi Suzumori. "Strength of Synthetic Fiber Ropes Degraded by Repetitive Bending." Abstracts of the international conference on advanced mechatronics : toward evolutionary fusion of IT and mechatronics : ICAM 2015.6 (2015): 27–28. http://dx.doi.org/10.1299/jsmeicam.2015.6.27.

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Ning, Fanggang, Xiaoru Li, Nick O. Hear, Rong Zhou, Chuan Shi, and Xin Ning. "Thermal failure mechanism of fiber ropes when bent over sheaves." Textile Research Journal 89, no. 7 (April 9, 2018): 1215–23. http://dx.doi.org/10.1177/0040517518767147.

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Thermal damage is an important failure mechanism that affects the bending failure of fiber ropes. This is relevant because synthetic fibers often have a relatively low melting point and low thermal conductivity. In cyclic bending over sheave (CBOS), the heat generated by friction and deformation is not conducted rapidly to the external environment, and the temperature of the rope core increases quickly. This higher temperature greatly reduces the mechanical properties of the fiber, thus accelerating the final rope failure. In this paper, evidence of thermal damage in the bending process of a braided synthetic fiber rope is given. The test conditions inducing thermal damage are discussed, including stress level, bending frequency and diameter ratio. The reasons for the heat generation and the dynamic process of heat accumulation inside the rope during CBOS are also discussed. This study aims to provide theoretical and experimental guidance for the design and use of fiber rope.
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Han, Guangting, Xiaowei Tao, Xianbo Li, Wei Jiang, and Wenqian Zuo. "Study of the Mechanical Properties of Ultra-High Molecular Weight Polyethylene Fiber Rope." Journal of Engineered Fibers and Fabrics 11, no. 1 (March 2016): 155892501601100. http://dx.doi.org/10.1177/155892501601100103.

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Ultra-high molecular weight polyethylene fiber (UHMWPE) exhibits outstanding strength to weight balance due to high molecular orientation, high crystallinity and low density. For these reasons, is widely used in applications demanding high strength high modulus fibers. This paper systematically studies the relationships between the mechanical properties of ropes made of ultra-high molecular weight polyethylene fiber and several attributes of the rope construction. By studying the structure of the rope, a formula relating the Young's modulus and twist angle was developed. It was found that the breaking strength and the elongation of the rope were closely related to the twist angle. Finally, the breaking strength of the rope had a positive correlation with the diameter of the rope. The retention rate of fatigue strength studied in this paper was kept above 100%. These results may provide useful guidance to the industrial production of the UHMWPE based ropes.
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He, Guifang, Chunfu Sheng, Hongwei He, Rong Zhou, Ding Yuan, Xin Ning, and Fanggang Ning. "Mathematical and geometrical modeling of braided ropes bent over a sheave." Journal of Engineered Fibers and Fabrics 15 (January 2020): 155892502093972. http://dx.doi.org/10.1177/1558925020939726.

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As soft elements for force transmission, braided fiber ropes play important roles in many fields where the fiber ropes are used bent over sheaves, while the relevant experiments are time-consuming and expensive. Computational simulation is a promising choice for evaluating the performance of fiber ropes when bent over a sheave. This article presents two methods that could be employed to build a model of braided rope bent over a sheave. One is the mathematical method which deduces the exact mathematical equations of braiding curves based on the Frenet–Serret frame. The spatial equations, considering the phase difference of strands in the same direction and the difference of strands’ projection in different directions, are discussed carefully. The final equation of braided strands is confirmed by modeling the braided rope in Maple® 17. The other method, which is inspired by the analysis of braiding movements, is based on the intersection of surfaces of braiding surface and helical surface which are introduced and defined based on the motion analysis of bobbins and take-up roller. The SolidWorks® 2018 is successfully employed to realize the modeling process.
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MOTLEY, M. R., and R. H. PLAUT. "APPLICATION OF SYNTHETIC FIBER ROPES TO REDUCE BLAST RESPONSE OF A PORTAL FRAME." International Journal of Structural Stability and Dynamics 06, no. 04 (December 2006): 513–26. http://dx.doi.org/10.1142/s0219455406002131.

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A steel portal frame subjected to an external blast is analyzed. The use of diagonal synthetic fiber ropes to brace the frame is studied. The force-elongation relationship of the ropes when in tension is modeled either as a bilinear function with initial slackness, or a power law based on tests. The effect of the ropes in reducing deflections and plastic strains is determined using the finite element software ABAQUS/Explicit. Inclusion of the influence of strain-rate on the material behavior of the frame is important. Several blast magnitudes and rope stiffness coefficients are considered. Snap loads occur in the ropes if the blast is sufficiently large. Deformations and strains may be reduced significantly by the ropes, and failure may be prevented.
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Choi, Han-Suk, Do Kyun Kim, Seungman Kim, Eun-Jee Cheon, and Kyoung-Su Kim. "Subsea Equipment Decommissioning Using Fiber Rope." MATEC Web of Conferences 203 (2018): 01014. http://dx.doi.org/10.1051/matecconf/201820301014.

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A comparative study of lifting lines for subsea equipment decommissioning was conducted to evaluate the applicability of fiber ropes. Generally, conventional steel wire ropes are used for subsea equipment decommissioning operations, but there are some disadvantages in using steel wires as the lifting lines at deepwater depth. To overcome the disadvantages, fiber ropes are proposed for using as lifting lines. The comparative methods to evaluate the performance of both lifting lines include three sections of calculations, payload capacity, and horizontal offset due to current, critical length of lifting line. Moreover, dynamic analysis using Orcaflex was performed to compare the dynamic forces occurring in the lifting lines during subsea equipment decommissioning. The results showed that the fiber ropes had advantages in payload capacity, critical length of lifting line and lower dynamic forces occurred compared to the steel wire ropes at deepwater depth.
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Zhao, Qian Juan, and Ya Nan Jiao. "Study on the Tensile Properties of the High-Performance Cored Rope." Advanced Materials Research 331 (September 2011): 210–13. http://dx.doi.org/10.4028/www.scientific.net/amr.331.210.

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The tensile property of two-dimensional (2-D) braided cored ropes with high-performance is investigated and found that braiding angle has an evident fluence on the tensile characteristic.In the skin-core structure, the core yarns are straight and parallel with each other ,and have a larger percentage than those in other style of cored rope. The tensile strength and breaking elongation of the samples with different braiding angle is tested by Shimadzu universal testing machine. The load-displacement curves of the rope are drawn and analyzed. It shows that of the tensile fracture mechanism is different from the other structural ropes, and the straight state of the core yarns leads to higher utilization of fiber strength. The results also indicate that braiding angle has a great influence on the strength and breaking elongation of cored rope. In the five samples, the sample with 30°has the both ideal tensile strength and ideal elongation. Beyond the angle, the greater braiding angle is, the much more closely the core yarns are wrapped. The greater friction between fibers of core yarn decreased motion of the fiber in core yarn, some of them was fractured before all the yarns were straighten. The utilization of the braiding yarn fiber strength decreased.
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McKenna, Henry. "Fiber Rope and Fishing." Marine Technology Society Journal 40, no. 3 (September 1, 2006): 40–43. http://dx.doi.org/10.4031/002533206787353303.

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Modern synthetic fiber materials coupled with the various rope constructions that are currently available produce a wide variety of ropes well suited for today's fishing applications. Ropemakers provide many products designed exclusively for fishermen. The market is large, which encourages competition; however, it is also very cost sensitive which can inhibit research and development. This article begins with the history of ropemaking and goes on to describe modern ropemaking materials and designs, the properties and applications of rope in fishing, and sources of rope information. Whale entanglement and environmental concerns are areas where the selection, use, control and disposal of rope fishing gear could well become regulatory issues. An ongoing whale entanglement research program may be a model that will stimulate research.
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Dissertations / Theses on the topic "Fiber ropes"

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Pearson, Nicholas John. "Experimental Snap Loading of Synthetic Fiber Ropes." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/30925.

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Energy is lost when a rope transfers from a slack state to a taut state. This transfer is called a snap load and can be very violent. It is proposed to use synthetic fiber ropes as a type of passive control device in new or existing structures to mitigate seismic response. Experimental static and snap load (dynamic) tests were conducted on various synthetic fiber ropes. An eleven-foot-tall drop tower was built in the Virginia Tech Structures and Materials Laboratory in order to conduct these tests. Force and acceleration of the drop plate, which slides vertically within the drop tower, were measured with respect to time for all dynamic tests. Acceleration data was integrated using the trapezoidal or midpoint rule to obtain velocity and displacement values. Plots were made for each test in order to give a better representation of the results. These plots include representations of force and acceleration vs. time, force vs. absolute displacement, force vs. velocity, and force, acceleration, velocity, and displacement vs. time (during the initial taut phase only). Test results show that energy was dissipated in all of the dynamic drop tests, which was expected. Also, the displacement of each rope did not return to zero at the same time that the force returned to zero after the initial snap load. This proves that the ropes undergo some permanent elongation under load. The stiffness of each rope increased with continuous testing. As more tests are conducted on each rope, the strands are pulled tighter into the braided configuration, which causes the rope to become stiffer.
Master of Science
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Hennessey, Christopher Michael. "Analysis and Modeling of Snap Loads on Synthetic Fiber Ropes." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/9616.

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When a rope quickly transfers from a slack state to a taut state, a snapping action occurs and produces a large tensile force which is known as a snap load. Energy is dissipated during this snap load, and it is proposed to use synthetic fiber ropes as a type of passive earthquake damper in order to take advantage of this phenomenon. This thesis is the second phase of a multi-stage research project whose goal is to investigate and develop what will be known as Snapping-Cable Energy Dissipators (SCEDs). The experimental data that was collected in the Master'­s Thesis of Nicholas Pearson was organized and analyzed as a part of this research in order to evaluate the behavior of the ropes during the snapping action. Additional tests were also conducted for this project under more controlled conditions in order to better understand how the ropes change throughout a sequence of similar snap loadings and also to determine the amount of energy that is dissipated. The data from both projects was then used as input parameters for a mathematical model that was developed to characterize the behavior of the ropes during a snap load. This model will be utilized in subsequent research involving the finite element analysis of the seismic response of structural frames containing SCEDs.
Master of Science
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Motley, Michael Rembert. "Finite Element Analysis of the Application of Synthetic Fiber Ropes to Reduce Blast Response of Frames." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/36155.

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Blast resistance has recently become increasingly relevant for structural engineers. Blast loads are created by explosive devices that, upon detonation, create pressure loads that are much higher than most that a structure would ever experience. While there are many types of blast loads that are impossible to adequately prepare for, methods are presently being developed to mitigate these loads. This research investigates the possibility of using synthetic fiber ropes as a means of blast resistance. This is the third phase of a multi-stage research endeavor whose goal is to analyze Snapping-Cable Energy Dissipators (SCEDs) for reducing the effects of large-scale lateral loads.

Finite element models of portal frames were developed using the commercial finite element program ABAQUS and dynamic models were run for varying blasts and frame systems. Blast pressures of 100, 2,000, and 4,000 psi were applied to a steel portal frame and comparisons were made between unbraced frames and frames braced with springs of different stiffnesses. Additional tests were run to examine the effects of strain rate dependent yield on the results of the models. Parallel research is being conducted on the specific material behavior of the synthetic fiber ropes so that the models developed for this research can be revised for a more accurate determination of the effects of the ropes on structural systems subjected to blast loads.
Master of Science

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Taylor, Robert Paul. "Finite Element Analysis of the Application of Synthetic Fiber Ropes to Reduce Seismic Response of Simply Supported Single Span Bridges." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/34051.

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Movement of a bridge superstructure during a seismic event can result in damage to the bridge or even collapse of the span. An incapacitated bridge is a life-safety issue due directly to the damaged bridge and the possible loss of a life-line. A lost bridge can be expensive to repair at a time when a region's resources are most strained and a compromised commercial route could result in losses to the regional economy. This thesis investigates the use of Snapping-Cable Energy Dissipators (SCEDs) to restrain a simply supported single span bridge subjected to three-dimensional seismic loads. SCEDs are synthetic fiber ropes that undergo a slack to taut transition when loaded. Finite element models of six simply supported spans were developed in the commercial finite element program ABAQUS. Two seismic records of the 1940 Imperial Valley and 1994 Northridge earthquakes were scaled to 0.7g PGA and applied at the boundaries of the structure. The SCEDs were modeled as nonlinear springs with an initial slackness of 12.7mm. Comparisons of analyses without SCEDs were made to determine how one-dimensional, axial ground motion and three-dimensional ground motion affect bridge response. Analysis were then run to determine the effectiveness of the SCEDs at restraining bridge motion during strong ground motion. The SCEDs were found to be effective at restraining the spans during strong three-dimensional ground motion.
Master of Science
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Ryan, John C. "Analytical and Experimental Investigation of Improving Seismic Performance of Steel Moment Frames Using Synthetic Fiber Ropes." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/29392.

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The presented research investigated the viability of a double-braided synthetic fiber rope for providing improved performance of steel moment frames subjected to earthquake-induced ground motions. A series of experimental tests, including a 1:3-scale dynamic test and 1:6-scale shaking table tests, was conducted using Northridge ground-motion input. A series of nonlinear dynamic analytical studies, using DRAIN-2DX, was conducted to develop the experimental tests. Throughout experimental testing, the ropes exhibited a hyper-elastic loading response and a reduced-stiffness unloading response. A conditioning cycle was defined as a loading cycle induced in the rope above the highest load expected to be experienced by the rope, and was determined to be requisite for ropes intended to be used for the stated objectives of the research program. After experiencing a conditioning cycle, the rope response returned to initial conditions without permanent deformation, demonstrating repeatability of response through several loading cycles below the conditioning load. In the 1:6-scale shaking-table experiments, the ropes drastically improved the performance of the steel moment frames. Maximum and residual drift were reduced significantly, with a corresponding minimal increase to the maximum base shear. Base shear was reduced at several peaks subsequent to the initial pulse of the Northridge ground-motion input. The analytical model developed was excellent for predicting elastic response of the 1:6-scale shaking table experiments and adequate for the purpose of planning shaking table studies. Correlation of peak rope forces between the analytical model and experimental results was poor, and was attributed to limitations of the pre-defined elements used to represent the rope devices in the software program. The inability of the elements to capture the complex unloading response of the rope was specifically noted.
Ph. D.
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Hensley, Gregory Martin. "Finite Element Analysis of the Seismic Behavior of Guyed Masts." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/33900.

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Seismic design of guyed masts, commonly used in the broadcasting and telecommunications industries, has not been fully addressed in the United States. There is no specific design code, and only a limited amount of research has been reported on the subject. This research investigates the behavior of guyed masts incorporating synthetic ropes as guys, with a particular focus on the effect of snap loads on the mast behavior. This is the third phase of a multi-stage project aimed at analyzing the potential for Snapping-Cable Energy Dissipators (SCEDs) to minimize lateral response in structures. A finite element model of a 120-m-tall guyed mast was developed with the commercial program ABAQUS. The three-dimensional behavior of the mast was observed when subjected to two ground motion records: Northridge and El Centro. Three orthogonal earthquake components were input, two horizontal and one vertical. A series of parametric studies was conducted to determine the sensitivity of the response to guy pretension, which is a measure of the potential slackness in the guys during response. Additionally, the studies examined the effects of guy stiffness, mast properties, and directionality of input motion. Deflections, bending moments, guy tensions, and base shears were examined. The results were used to characterize the trends in the structural response of guyed masts. The level of slackness in the guys changed the behavior, and the lessons learned will be used to continue research on the application of SCEDs in structures.
Master of Science
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Mammitzsch, Jens. "Untersuchungen zum Einsatz von ultrahochmolekularen Polyethylenfasern in Seilen für die Fördertechnik." Doctoral thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-159603.

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Seile aus synthetischen Fasern gewinnen zunehmend an Bedeutung für fördertechnische Anwendungen. Wegen ihrer geringen Dichte und Biegesteifigkeit sowie den gleichzeitig mit Stahl vergleichbaren Zugfestigkeiten, haben sich Seile aus ultrahochmolekularen Polyethylenfasern (UHMW-PE) in vielen Anwendungen in der Seefahrt und im Offshore-Bereich durchgesetzt. Die grundsätzliche Eignung solcher Seile für technische Anwendungen, wie z.B. Kräne, Aufzüge, Windenanwendungen, wurde in wissenschaftlichen Studien bereits nachgewiesen. In der vorliegenden Arbeit werden hochfeste Polyethylenfasern verschiedener Hersteller daraufhin untersucht, in wie weit diese durch ihre Eigenschaftsprofile ebenfalls grundsätzlich für technische Anwendungen mit auftretenden Biegewechselbelastungen geeignet sind und welche Anwendungspotentiale sie bieten. Beginnend mit einem kurzen geschichtlichen Abriss über die Entwicklung von synthetischen Polymerfasern und den Einsatz der Fasern in Seilen für technische Anwendungen, sollen grundlegend die Herstellungsverfahren und Eigenschaften von Garnen aus ausgewählten UHMW Polyethylen verglichen werden. Im weiteren Verlauf werden Faserseile aus den gewählten Fasern hinsichtlich Zugfestigkeit, Biegewechselverhalten und Eignung zum Thermofixieren untersucht. Auftretende Effekte werden analysiert und auf die Eigenschaften der Fasern bzw. Garne zurückgeführt. Eine vergleichende Betrachtung der Materialkosten als Teil der gesamten Herstellungskosten der Seile bildet den Abschluss der Arbeit
This thesis covers investigations on the properties of ultrahigh-molecular-weight (UHMW) polyethylene fibers for use of manufacturing braided fiber ropes for conveyor and hoisting applications. The importance of synthetic fibres for conveying applications has increased during the last years. Due to the low density and bending stiffness at a strength that is comparable to steel, ropes made from high-strength UHMW polyethylene fibres have found their ways into several shipping and off-shore applications. The basic aptitude of UHMW polyethylene fibres to be used in applications like cranes, elevators and winch applications has already been proven in scientific works. Within this thesis, selected UHMW polyethylene fibres are investigated to determine how much their differing property profiles do influence their aptitude to be used in technical applications with cyclic bending loads and for which potentials for fields of application they might be appropriate. Starting with a short overview on the history of synthetic fibres and the use of such fibres in technical applications, manufacturing processes and properties of these fibres are to be compared. Further, fibre ropes, made from the selected fibres, are going to be investigated concerning their tensile strength, behaviour in cyclic bend-over-sheave tests and their aptitude to increase the strength by thermosetting. Occurring effects are going to be analysed and related to the properties of the yarns. A competitive view on the prices of the yarns regarding their portion of the total costs of rope manufacturing is finalising this work
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Koohgilani, Mehran. "Damage accumulation in high performance synthetic fibre ropes." Thesis, Bournemouth University, 1998. http://eprints.bournemouth.ac.uk/337/.

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This thesis presents the results of an investigation into the process of damage and failure in small diameter high performance synthetic fibre ropes namely Dyneema, Vectran and Technora ropes. This study was prompted by a series of fatal accidents on paragliders as a result of the line failure. All the different rope materials, including the rope with cover, without cover and the core with different number of strands, have been tensile tested. The transfer of loading and subsequent damage in different rope constituents, fibres and strands, are also discussed. The residual strength of the rope after static and cyclic preloading regimes is discussed and possible mechanisms for the damage accumulation in the rope are given. The acoustic emission monitoring of the tensile and residual strength tests shows distinctive differences between the different types of rope and permits the identification of characteristic effects of preloading on the tensile damage and failure mechanisms of all three materials. The process of damage in the Dyneema and Vectran is similar, in which damage progresses in steps during the loading history whereas Technora rope accumulates gradual increase in damage until the catastrophic failure. The application of the static preloading improves the strength of Dyneema and Vectran ropes whereas it deteriorates the mechanical properties of Technora rope. The cyclic response of Dyneema rope shows a dramatic downturn at lives in excess of 1000 cycles, but moderate cyclic loading improves the strength. The variation in surface temperature of Dyneema rope during tensile loading has been measured analysed and related to the process of damage. Dyneema fibres melt and fuse together under loading, since Dyneema is disadvantaged by its low melting temperature. Rope on rope abrasion tests, carried out on covered and uncovered Dyneema and Technora ropes, show that Dyneema rope has superior abrasion properties compared to Technora. This is due to the low compression properties of Technora, as abrasion process involves compressing the fibres. The effect of exposure to different environments, including natural weathering, -22'C, +54'C and seawater on tensile performance is discussed. The tensile properties of the Dyneema ropes are little affected by the environmental conditioning except the effect of synthetic sea water, in which case the salt crystals damage the rope fibres, once the water has evaporated.
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Preuss, Mary Lai. "The roles of kinesin-related proteins in cotton fiber development /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.

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Roper, Yearwood Gregorio [Verfasser]. "The development of a high-resolution scintillating fiber tracker with silicon photomultiplier readout / Gregorio Roper Yearwood." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2013. http://d-nb.info/1037328620/34.

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Books on the topic "Fiber ropes"

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McKenna, H. A. Handbook of fiber rope technology. Boca Raton: CRC Press, 2004.

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Koohgilani, Mehran. Damage accumulation in high performance synthetic fibre ropes. Poole: Bournemouth University, 1998.

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Glossary of marine fiber rope terms: A report of the Task Committee on Marine Fiber Rope of the Waterway, Port, Coastal and Ocean Division of the American Society of Civil Engineers. New York: The Society, 1993.

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McKewan, William M. Bending fatigue test 1 on a 2-inch 6x25 fiber core wire rope. Washington, D.C: Bureau of Mines, U.S. Dept. of the Interior, 1992.

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Bartels, John R. Bending fatigue tests 2 and 3 on a 2-inch 6x25 fiber core wire rope. Washington, D.C. (810 7th St., N.W., Washington 20241-0001): U.S. Dept. of the Interior, Bureau of Mines, 1992.

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Bartels, John R. Bending fatigue tests 2 and 3 on a 2-inch 6x25 fiber core wire rope. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1992.

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O, Berteaux Henri, and Woods Hole Oceanographic Institution, eds. Testing and evaluation of SURLYN foam and SPECTRA fiber ropes for buoy systems applications. Woods Hole, Mass: Woods Hole Oceanographic Institution, 1988.

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Association of British Theatre Technicians., ed. Fibre ropes. London: Association of British Theatre Technicians, 1997.

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Handbook Of Fiber Rope Technology. Woodhead Publishing, 2004.

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Mason, Peggy. The Motor Unit and Orderly Recruitment. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190237493.003.0021.

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The physiological, metabolic, and anatomical properties of fast- and slow-twitch skeletal muscle fibers are detailed. How the proportions of different types of muscle fibers in a muscle are matched to the functions of that muscle is described. The important concept of the motor unit consisting of the motoneuron and all the muscle fibers it innervates is introduced. The roles of warm-up, orderly recruitment, and tetanus in determining muscle force are elaborated. Examples of muscle fiber recruitment and de-recruitment during natural movements before and after weight-lifting exercise are presented. The large effects of small changes in motoneuron discharge on resulting muscle tension are discussed in the context of exercise and disease. Differences between extraocular and other skeletal muscles in composition and innervation have clinical implications. Finally, students are introduced to electromyography, a minimally invasive clinical test that can be used to assess motor unit function and reveal fibrillations.
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Book chapters on the topic "Fiber ropes"

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Wehr, Martin, Andreas Pott, and Karl-Heinz Wehking. "Bending Fatigue Strength and Lifetime of Fiber Ropes." In Mechanisms and Machine Science, 73–84. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61431-1_7.

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Msalilwa, Lawrence R., Yordan Kyosev, Amit Rawal, and Uttam Kumar. "Tensile Properties of Double Braided Flax Fiber Ropes." In Recent Developments in Braiding and Narrow Weaving, 59–67. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29932-7_6.

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Hoppe, Loet, Koen van Goethem, Hans-Gunter Kluczik, Forrest Sloan, Jens Mammitzsch, and Markus Michael. "Overlay Finishes and Coatings for Improving Abrasion Resistance in Braided Polyarylate Fiber Ropes." In Narrow and Smart Textiles, 167–72. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69050-6_15.

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Schmidt, Valentin, and Andreas Pott. "Increase of Position Accuracy for Cable-Driven Parallel Robots Using a Model for Elongation of Plastic Fiber Ropes." In New Trends in Mechanism and Machine Science, 335–43. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44156-6_34.

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Griffith, Edward J. "Ropes, Strings, Threads, Fibers, and Molecules." In Phosphate Fibers, 91–113. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1045-5_4.

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Weis, Jens C., Björn Ernst, and Karl Heinz Wehking. "Use of High Strength Fibre Ropes in Multi-Rope Kinematic Robot Systems." In Mechanisms and Machine Science, 185–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31988-4_12.

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Michael, Markus, David Holschemacher, and Peter Streubel. "End Fasteners of High Performance Fibre Ropes." In Recent Developments in Braiding and Narrow Weaving, 83–90. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29932-7_8.

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Farooqui, Akhlaq A. "Importance and Roles of Fiber in the Diet." In High Calorie Diet and the Human Brain, 193–218. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15254-7_7.

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Müller, Christoph, Markus Helbig, and David Holschemacher. "Fibre-Rope-Driven Parallel Handling Device." In Narrow and Smart Textiles, 141–47. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69050-6_12.

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Häser, David, Klaus Nendel, Christoph Müller, and Markus Helbig. "Ultrasonic Dip Coating of Fibre Ropes with Large Diameters." In Narrow and Smart Textiles, 159–66. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69050-6_14.

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Conference papers on the topic "Fiber ropes"

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Derombise, Guillaume, Laetitia Van Schoors, Peter Davies, and Loic Dussud. "Durability of Aramid Ropes in a Marine Environment." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57199.

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This paper presents first results from a study of the long term marine durability of aramid fibers. The program was started based on the experience of IFREMER using aramid fiber ropes for instrumentation and deep sea handling lines, which is described here. Instrumentation lines showed no degradation after recovery, but results from testing of handling ropes after service indicated significant strength reduction. This led to the development of specific test facilities to study bend-over-sheave performance. The overall aim is to improve understanding of the roles of both the fiber and the rope construction in a marine environment, in order to improve long term strength retention of aramid marine ropes.
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Smith, D. Barton, and Jerry G. Williams. "Monitoring Axial Strain in Synthetic Fiber Mooring Ropes Using Polymeric Optical Fibers." In ASME 2003 22nd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2003. http://dx.doi.org/10.1115/omae2003-37402.

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Synthetic fiber ropes constructed of polyester are providing an important new technology for mooring deep-water drilling and production platforms. Considerable effort is being directed toward advancing and qualifying this enabling and cost-effective technology. To date, synthetic fiber mooring ropes have been successfully deployed in Brazil and they have seen limited service in the Gulf of Mexico. Synthetic fiber mooring ropes have high strength-to-weight ratios and possess adequate stiffness, but they are much more susceptible to damage than their steel counterparts. Future safe deployment of synthetic fiber mooring ropes would be significantly enhanced if a reliable technique were available to monitor the performance of the ropes in service and thus provide an early warning of the loss of structural integrity. Test data in the open literature indicates that the strain in the rope at failure is essentially a constant independent of load path or history. Measurement of the accumulated strain in the rope should thus provide a reliable benchmark with which to estimate the remaining life and establish criteria for rope recertification or retirement. This paper discusses the results of research and development activities aimed at developing a reliable, robust method for monitoring strain in braided and twisted strand Synthetic Fiber Mooring Ropes [1]. The strain transducer is a polymeric optical fiber, integrated into the mooring rope and interrogated with Optical Time-Domain Reflectometry (OTDR) to measure changes in its length as the optical fiber and rope are stressed. The method provides a direct measurement of large axial strains. Strains measured in polymeric optical fibers exhibit good one-to-one correlation with applied strains within the test range studied (10% or less, typically). The integrated polymeric optical fiber has been shown to withstand large numbers of repeated cycles to high strains without failure and to accurately track the hysteresis exhibited by polyester rope. Results are reported for tests conducted with polymeric optical fibers integrated into typical mooring rope elements.
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Wang, Yuhua, Suzhen Lyu, and Chiate Chou. "RFID Integrated Fiber Ropes." In Global Oceans 2020: Singapore - U.S. Gulf Coast. IEEE, 2020. http://dx.doi.org/10.1109/ieeeconf38699.2020.9389476.

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Amils, Xavier, Beste Durmus, Paul Smeets, Jorn Boesten, and Peter Davies. "Increasing Water Depth Window for Moored Subsea Structures and Operations With Low Weight Hybrid Ropes." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-11460.

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This paper introduces new hybrid wire rope concepts by combining steel wire and UHMWPE fibers. These novel High Modulus Hybrid Ropes (HMHR) result in enhanced strength and significant reduction of linear weight compared to steel wire rope (SWR) of equivalent constructions. Compared to fiber ropes (FR) this new family of ropes shows increased protection against crushing, fretting and wear. In-house and independent laboratory tests showed increased breaking load / weight advantages compared to SWR, while also revealing improved bending fatigue resistance. Additionally, test results show similar axial stiffness and torque performance to SWR, which can be modeled by using analytical algorithms. Furthermore creep rate of these ropes is comparable to that of SWR. Finally, the authors discuss the expected performance of these ropes working in deep waters and under high load conditions in offshore and subsea systems. Additional work required to validate and introduce these ropes in the industry is addressed as well.
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Vlasblom, Martin, Tom Engels, and Corentin Humeau. "Tension endurance of HMPE fiber ropes." In OCEANS 2017 - Aberdeen. IEEE, 2017. http://dx.doi.org/10.1109/oceanse.2017.8084939.

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Vlasblom, Martin, Rigo Bosman, Jose Canedo, and Peter Davies. "Designing HMPE fiber ropes on durability." In OCEANS 2019 - Marseille. IEEE, 2019. http://dx.doi.org/10.1109/oceanse.2019.8867099.

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Gabrielsen, Øystein, Kjell Larsen, Svein Helge Gjøsund, Karl-Johan Reite, Kurt Eide, Hans-Jørgen Haugland, and Alberto Leao. "Qualification Method for Cut Resistant Jackets for Fiber Mooring Ropes." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/30962-ms.

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Abstract The Aasta Hansteen spar platform in the Norwegian Sea has a polyester rope mooring system. The anchors and large parts of the polyester ropes are outside of the safety exclusion zone granted by the Norwegian authorities. Fishing vessels cannot be denied as long as they are outside of the safety zone, and the polyester mooring ropes need to withstand abrasion loads from the possible fishing activity. A fishing activity study in 2013 defined probability for fishing, size of possible fishing vessels and type of fishing equipment. Numerical simulations of the mooring system and crossing fishing trawl equipment made it possible to establish trawl abrasion load cases, including trawl wire lengths, speed and contact pressure. No jacket design or jacket material was at the time confirmed to withstand the established abrasion loads. The jacket solution to be chosen for the project thus needed to be specially developed, designed, tested and approved to give sufficient resistance against the established abrasion loads. Several vendors developed and offered different jacket solutions, and the selection of cut resistant jacket was dependent on adequate testing. Based on input and comments from Equinor and rope vendors, DNV constructed a test rig extension to their 2500T horizontal test bed, where the required length of trawl wire was pulled over the polyester rope with the needed contact pressure. Full-size (diameter) ropes with the proposed cut resistant jackets were tested, including break strength testing after the abrasion test. This paper presents how the possible trawl activity was defined, the numerical simulation of trawl/mooring line interaction, the test rig setup and some test results of the trawl wire abrasion testing.
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Bindingsbo̸, Arne Ulrik. "Fibre Rope Moorings for Shallow Waters." In ASME 2002 21st International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/omae2002-28368.

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During the last decade significant research has been carried out related to use of fiber ropes as moorings lines for offshore vessels. Most of this research work has been related to use in deep waters as taut mooring systems. The advantages of using fiber ropes include better station keeping, reduced vertical load on vessel, small footprint on seabed compared with conventional chain/wire systems. Due to very congested seabed at some drilling locations Norsk Hydro decided to use polyester fiber rope inserts for crossing of pipelines instead of wire segments and uplift buoys. Fiber rope inserts were used at seven drilling locations in water depths ranging from less than 100 m to 330 m. The mobile drilling units were Scarabeo 6 and Transocean Arctic. Two to four mooring lines had polyester inserts with lengths of approximately 800 m. The corresponding breaking strength was 1000 tons. With the use of modern anchor handling vessels (AHT) there was no rig time lost using the fiber inserts. No modifications were done to any of the AHTs. The crews were briefed onboard the AHTS and no problems occurred during installations. The only precautions taken was to clean the AHTS deck before spooling/unspooling the polyester rope. In addition two 5–7 ton spring buoys were used on each mooring line to avoid seabed contact with the rope. The ropes were inspected by DNV before installation. Our experience was only positive and fiber ropes inserts are now considered a proven tool for mooring of drilling rigs in congested seabed areas.
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De Pellegrin, Ivan. "Manmade Fiber Ropes in Deepwater Mooring Applications." In Offshore Technology Conference. Offshore Technology Conference, 1999. http://dx.doi.org/10.4043/10907-ms.

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Davies, Peter, Nicolas Lacotte, Mael Arhant, Damien Durville, Abderrahim Belkhabbaz, Michel François, Fabien Khouri, et al. "Improved Bend Over Sheave Durability of HMPE Ropes for Deep Sea Handling." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77530.

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The use of synthetic fiber ropes for subsea installation is extending, as the offshore industry explores deeper waters, but there are few data available to evaluate the lifetime of these materials. In a previous OMAE presentation the authors described results from the first phase (2010–2013) of a JIP aiming to understand the mechanisms controlling the long term behavior of HMPE fibre ropes [1]. This presentation will describe the results from the second phase of this study (2014–2018) in which predictive models have been developed and applied to a range of improved braided rope materials. Two modeling approaches will be discussed, an empirical method based on residual strength after cycling, and a numerical approach using finite element software specifically adapted to fibre materials [2]. An extensive test program, which has generated a database of CBOS (cyclic bend over sheave) results for various grades of HMPE and different constructions, will be described. Comparisons have been made with steel wire handling lines in order to quantify the benefits of fibre ropes for these deepwater applications.
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Reports on the topic "Fiber ropes"

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Saeed, Yasir. Use of Carbon Fiber Reinforced Polymer (CFRP) Including Sheets, Rods, and Ropes in Strengthening and Repairing Long Reinforced Concrete Columns. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.7472.

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